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Synthesis of New Superconducting Nb-Based 1212 Cuprates, (Nb1−x Cd x )Sr2EuCu2O8−δ

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Abstract

New superconducting layered cuprates with 1212 structure have been synthesized in the (Nb1−x Cd x )Sr2EuCu2O8−δ system. X-ray powder diffraction measurements showed that almost-single phase samples were obtained in a range of 0≤x≤ 0.2. The superconducting onset transition temperature of ∼ 43 K was obtained for the sample with x=0.2. The crystal structure of this sample has a tetragonal symmetry with lattice parameters a=3.874(1) Å and c=11.629(4) Å.

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Acknowledgements

This work was supported by Korea Research Foundation Grant (KRF-2012R1A1A2042519). We express our thanks to the PNU Center for their assistance with SQUID measurements and to Professor S.M. Lee of KNU, Department of Nano Applied Engineering for XRD measurements.

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  1. Department of Physics, Kangwon National University, Chuncheon, 200-701, Republic of Korea

    H. K. Lee, G. W. Kim & M. S. Lee

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  1. H. K. Lee
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  2. G. W. Kim
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  3. M. S. Lee
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Correspondence to H. K. Lee.

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Lee, H.K., Kim, G.W. & Lee, M.S. Synthesis of New Superconducting Nb-Based 1212 Cuprates, (Nb1−x Cd x )Sr2EuCu2O8−δ . J Supercond Nov Magn 27, 1207–1209 (2014). https://doi.org/10.1007/s10948-013-2456-1

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  • DOI: https://doi.org/10.1007/s10948-013-2456-1

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